904100122 has 4 divisors (see below), whose sum is σ = 1356150186. Its totient is φ = 452050060.

The previous prime is 904100117. The next prime is 904100147. The reversal of 904100122 is 221001409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 856089081 + 48011041 = 29259^2 + 6929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 904100122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226025029 + ... + 226025032.

Almost surely, 2^904100122 is an apocalyptic number.

904100122 is a deficient number, since it is larger than the sum of its proper divisors (452050064).

904100122 is a wasteful number, since it uses less digits than its factorization.

904100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452050063.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 904100122 is about 30068.2577147396. The cubic root of 904100122 is about 966.9533209064.

The spelling of 904100122 in words is "nine hundred four million, one hundred thousand, one hundred twenty-two".